单词 | hotshot wind tunnel |
释义 | hotshot wind tunnel [`hät¦shät `win ´tǝn·ǝl] AEROSPACE ENGINEERING A wind tunnel in which electrical energy is discharged into a pressurized arc chamber, increasing the temperature and pressure in the arc chamber so that a diaphragm separating the arc chamber from an evacuated chamber is ruptured, and the heated gas from the arc chamber is then accelerated in a conical nozzle to provide flows with Mach numbers of 10 to 27 for durations of 10 to 100 milliseconds. |
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